Hash Map is one of the most used collection, though it will be surprising to know that maps themselves are not collections because they do...
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Showing posts with label collection. Show all posts
Showing posts with label collection. Show all posts
keyset() vs entrySet() in map
The entrySet() method is used to get a Set view of the mappings contained in this map. The keySet() method is used to get a Set view of...
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Internal Implementation Of Set/HashSet
Each and every element in the set is unique . So that there is no duplicate element in set . So in java if we want to add elements in th...
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